diff options
Diffstat (limited to 'src/road_map.cpp')
| -rw-r--r-- | src/road_map.cpp | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/road_map.cpp b/src/road_map.cpp index e995f17f2..2c24582ee 100644 --- a/src/road_map.cpp +++ b/src/road_map.cpp @@ -14,6 +14,22 @@ #include "tunnelbridge_map.h" +/** + * Returns the RoadBits on an arbitrary tile + * Special behaviour: + * - road depots: entrance is treated as road piece + * - road tunnels: entrance is treated as road piece + * - bridge ramps: start of the ramp is treated as road piece + * - bridge middle parts: bridge itself is ignored + * + * If straight_tunnel_bridge_entrance is set a ROAD_X or ROAD_Y + * for bridge ramps and tunnel entrances is returned depending + * on the orientation of the tunnel or bridge. + * @param tile the tile to get the road bits for + * @param rt the road type to get the road bits form + * @param straight_tunnel_bridge_entrance whether to return straight road bits for tunnels/bridges. + * @return the road bits of the given tile + */ RoadBits GetAnyRoadBits(TileIndex tile, RoadType rt, bool straight_tunnel_bridge_entrance) { if (!HasTileRoadType(tile, rt)) return ROAD_NONE; |